1.

Which one the following formula is used to calculate the density of the unit cell ?

Answer»

`RHO=(NM)/(a^(3)N_(A))`
`rho=(a^(3)N_(A))/(nM)`
`rho=(N_(A))/(a^(3)NM)`
`rho=(a^(3)NM)/(N)`

ANSWER :A


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